Etymology

noxious

nox·ious
N1O1X8I1O1U1S1

Today it means: Harmful; injurious. Full definition →

Latin noxius
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The story

  1. Latin · derived fromnoxius“hurtful, injurious”
  2. English todaynoxious

From Latin noxius (“hurtful, injurious”), from noxa (“hurt, injury”), from nocere (“to hurt, injure”); see nocent.

Etymology from Wiktionary, CC BY-SA 4.0.